A conceptual decomposition of MINLP models for the design of water-using systems

Alberto Alva-Argáez, Antonis C. Kokossis, Robin Smith

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The work presents a systematic methodology for the design of industrial water systems that combines principles of water-pinch (Wang and Smith, 1994a, 1994b) with mathematical programming techniques that enable the imposition of practical constraints and the generalisation of the conceptual tools into multi-contaminant problems. A superstructure model is formulated as an MINLP and solved via decomposition. Layout constraints and flowrates compatible with existing networks can be enforced. Elements of capital and operating cost, including piping are analysed. The solution strategy is based upon a penalty-based search, coupled with an iterative projection procedure. The approach is tested and illustrated on several examples. Copyright © 2007 Inderscience Enterprises Ltd.
    Original languageEnglish
    Pages (from-to)177-205
    Number of pages28
    JournalInternational Journal of Environment and Pollution
    Volume29
    Issue number1-3
    DOIs
    Publication statusPublished - 2007

    Keywords

    • MILP
    • MINLP
    • Water minimisation
    • Water networks design

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